Dam Report

Lehenbaur Lake Dam-Section 25 dam

Missouri, USA Rocky Branch Hazard Low
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Dam height
45ft
Hazard rating
Low
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Lehenbaur Lake Dam-Section 25 -- None dam
Lehenbaur Lake Dam-Section 25 None · Rocky Branch
About this dam

Lehenbaur Lake Dam-Section 25

Lehenbaur Lake Dam-Section 25 is a privately owned earth dam located in Callaway, Missouri, along the Rocky Branch stream. Completed in 1977, this dam serves primarily for recreational purposes, offering a surface area of 37.1 acres and a maximum storage capacity of 867 acre-feet. With a dam height of 45 feet and a length of 1400 feet, the structure is designed with a buttress core type and an uncontrolled spillway width of 130 feet.

The dam is regulated by the DAM AND RESERVOIR SAFETY PROG in Missouri, ensuring that it meets state inspection and enforcement regulations. Despite its low hazard potential, the risk assessment for Lehenbaur Lake Dam-Section 25 is considered moderate. While the condition assessment is not rated, the dam continues to provide a safe and enjoyable environment for recreation enthusiasts in the area. Monitoring and management measures are in place to mitigate any potential risks associated with the dam.

Overall, Lehenbaur Lake Dam-Section 25 stands as a vital water resource in the region, offering both recreational opportunities and a source of water storage for the community. Its location in the scenic surroundings of Callaway, Missouri, coupled with its efficient design and regulatory oversight, make it a noteworthy site for water resource and climate enthusiasts to explore and appreciate.

StateNone
River / streamRocky Branch
NID IDMO11162
Owner typePrivate
Primary purposeRecreation
Dam typeEarth
Year built1977
Dam height45 ft
Dam length1,400 ft
Max storage867 AF
Normal storage404 AF
Surface area37.1 ac
Drainage area2,900.0 sq mi
Hazard potentialLow
ConditionNot Rated
Last inspectionThu, 19 Jan 2017 00:00:00 GMT

Dam data reference

Condition Assessment

Satisfactory
No existing or potential dam safety deficiencies are recognized. Acceptable performance is expected under all loading conditions (static, hydrologic, seismic) in accordance with the minimum applicable state or federal regulatory criteria or tolerable risk guidelines.
Fair
No existing dam safety deficiencies are recognized for normal operating conditions. Rare or extreme hydrologic and/or seismic events may result in a dam safety deficiency. Risk may be in the range to take further action.
Poor
A dam safety deficiency is recognized for normal operating conditions which may realistically occur. Remedial action is necessary. POOR may also be used when uncertainties exist as to critical analysis parameters which identify a potential dam safety deficiency.
Unsatisfactory
A dam safety deficiency is recognized that requires immediate or emergency remedial action for problem resolution.
Not Rated
The dam has not been inspected, is not under state or federal jurisdiction, or has been inspected but, for whatever reason, has not been rated.

Hazard Potential Classification

High
Dams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.
Significant
Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environmental damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be in areas with population and significant infrastructure.
Low
Dams assigned the low hazard potential classification are those where failure or mis-operation results in no probable loss of human life and low economic and/or environmental losses. Losses are principally limited to the owner's property.
Undetermined
Dams for which a downstream hazard potential has not been designated or is not provided.
Detailed forecast

Plan around the weather

Same NOAA / yr.no feed Snoflo's iOS app uses. Watch the precipitation column on the meteogram -- rain on the basin upstream typically lifts inflow 24-72 hours later.

Hourly detail

Next 5 days, hour by hour

Temperature line with weather symbols on top, snow + rain accumulation as columns, humidity as a dotted line.

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Deep dive

5-day forecast table

Every 3 hours, broken out across temperature, snow, rain, humidity, and wind. Each cell is colour-coded relative to the column min/max.

TimeConditionTemp (°F)Snow (in)Rain (in)Humidity (%)Wind (mps)Wind dir
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Long-term outlook

15-day temperature & precipitation

Daily temperatures, snow, and rain projected over the next two weeks.

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Regional inflow

Nearby streamflow gauges

USGS streamgauges around Lehenbaur Lake Dam-Section 25 -- inflows here typically show up in storage 24-72 hours later.

Track Lehenbaur Lake Dam-Section 25 in the Snoflo app

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FAQ

About Lehenbaur Lake Dam-Section 25

Where does the data for Lehenbaur Lake Dam-Section 25 come from?

Structural and regulatory data come from the U.S. Army Corps of Engineers' National Inventory of Dams (NID). Weather forecast comes from NOAA / yr.no -- the same feed Snoflo's iOS app uses.

How often is the report updated?

NID structural data refreshes annually as the Corps publishes updated assessments. The weather forecast refreshes throughout the day.

What does the Low hazard rating mean?

The Corps of Engineers' hazard potential classification grades probable consequences if the dam fails: High = probable loss of human life; Significant = no probable loss of human life but possible economic loss / environmental damage; Low = no probable loss of human life, only minor economic / environmental losses. See the Dam Data Reference card above for the full definitions.

What's "% of normal"?

The current storage value compared to the historical average storage on this calendar day. 100% = right on average; values above 100% mean above-normal storage (wet year); values below mean below-normal (dry year or drought).

Can I get alerts when storage crosses a threshold?

Yes -- alerts are managed in the Snoflo iOS app. Favorite this dam, set a threshold, and you'll get a push the moment conditions cross.

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Manage alerts in the Snoflo app

Custom alerts are configured in the iOS app -- favorite this dam, set a threshold, and you'll get a push the moment conditions cross.

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